How do you simplify √5⋅√15?

1 Answer
Shannon
Mar 22, 2017

5√3

Explanation:

When multiplying radicals, you can just multiply the numbers under the root symbol and put them under a single root symbol.
Ex: √5×√15 = √5×15
Thus, this can be rewritten as √25×3
This is the same as √25×√3
The square root of 25 is 5, so the final answer is
5√3

Related questions
See all questions in Multiplication and Division of Radicals
Impact of this question
1739 views around the world
You can reuse this answer
Creative Commons License